We were guarded by sentries against surprise attack.
我们由哨兵守卫, 以免遭受突袭。
范；提We were guarded by sentries against surprise attack.
我们由哨兵守卫, 以免遭受突袭。
You must guard against those who fawn upon you and bow obsequiously before you!
对阿谀奉承、点头哈腰的人
格外警惕!
Miners wore a helmet as a guard against falling rocks.
矿工头戴钢盔, 
护落下的岩石。
In scientific discussions it is essential to guard against subjectivism and arbitrariness.
在科学讨论中
主观武断。
Be guard against various sham theories. Don't be fooled by them.
"警惕各种假理论,
上它们的当/为它们所欺骗。"
Be on your guard against pickpockets.
谨扒手。
Be on your guard against thieves.
当心小偷。
A 20-mile exclusion zone was set up around the power station to guard against further explosions.
发电厂周
了20 英里的禁区以減低再度爆炸造成的影响。
So the instrument not only convenient for mineworker, but effective guarded against the fire damp explosion in practice ap...
在实际应用中但方便了井下工人的随身携带,而且有效地预了安全事故的发生。
He guarded himself against vice.
他避免染上坏习惯。
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